Description

In Plesk Obsidian 18.0.70, _isAdminPasswordValid uses an == comparison. Thus, if the correct password is "0e" followed by any digit string, then an attacker can login with any other string that evaluates to 0.0 (such as the 0e0 string). This occurs in admin/plib/LoginManager.php.

INFO

Published Date :

2025-08-19T00:00:00.000Z

Last Modified :

2025-08-29T15:10:56.485Z

Source :

mitre
AFFECTED PRODUCTS

The following products are affected by CVE-2025-54336 vulnerability.

Vendors Products
Plesk
  • Obsidian
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-54336.

URL Resource
https://blog.aziz.tn/2025/08/cve-2025-54336.html/ cve-icon cve-icon
https://support.plesk.com/hc/en-us/articles/33785727869847-Vulnerability-CVE-2025-54336 cve-icon cve-icon
https://www.plesk.com/blog/plesk-news-announcements/introducing-plesk-obsidian-18-0-70-anniversary-edition/ cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact